from multiprocessing import Process
import os

def run_proc(name):
    print('Run child process %s (%s)' % (name, os.getpid()))

def main():
    print('parent process %s' %os.getpid())
    p = Process(target=run_proc, args=('test',))
    print('child process will start.')
    p.start()
    p.join()
    print('Child process end.')
if __name__ == '__main__':
    main()